71034273047 has 2 divisors, whose sum is σ = 71034273048. Its totient is φ = 71034273046.

The previous prime is 71034273001. The next prime is 71034273073. The reversal of 71034273047 is 74037243017.

It is a strong prime.

It is an emirp because it is prime and its reverse (74037243017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71034273047 - 2⁶ = 71034272983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71034273047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71034273347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35517136523 + 35517136524.

It is an arithmetic number, because the mean of its divisors is an integer number (35517136524).

Almost surely, 2^71034273047 is an apocalyptic number.

71034273047 is a deficient number, since it is larger than the sum of its proper divisors (1).

71034273047 is an equidigital number, since it uses as much as digits as its factorization.

71034273047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 38.

The spelling of 71034273047 in words is "seventy-one billion, thirty-four million, two hundred seventy-three thousand, forty-seven".